diff --git a/sys-fs/btrfs-heatmap/btrfs-heatmap-9-r1.ebuild b/sys-fs/btrfs-heatmap/btrfs-heatmap-9-r1.ebuild
index 954f3b3f48..4a3d86401d 100644
--- a/sys-fs/btrfs-heatmap/btrfs-heatmap-9-r1.ebuild
+++ b/sys-fs/btrfs-heatmap/btrfs-heatmap-9-r1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-PYTHON_COMPAT=( python3_{11..12} )
+PYTHON_COMPAT=( python3_{11..13} )
 
 inherit python-single-r1